Perfect for all-weather protection and storage for your car. Duck Covers Weather Defender semi-custom covers are made of a triple-layer, water-resistant material that does not trap condensation but allows condensation to escape through evaporation. StormFlow™ technology enhances the cover's durability. Protects against dust, dirt, pollution, bird droppings, tree sap and UV fading. Elasticized bottom hem for a secure, custom fit vehicle cover. Non-scratch tie-down grommets and rope. Four-year limited warranty.